﻿using System;

namespace ConsoleApp1
{
    class Program
    {
        static void Main(string[] args)
        {
            Book book = new Book();
            book.Id = 1;
            book.Title = "十万个冷笑话";
            book.Price = 999;
            book.PrintBookInfo();

            Console.WriteLine();

            Classes classes = new Classes();
            classes.id = 2;
            classes.Name = "软件二班";
            classes.PopleNumber = 42;
            classes.Information();
        }
    }
}
